Subscribe to our newsletter

Peregrine Falcon

Falco peregrinus

Frequently known as simply a peregrine, this magnificent bird, whilst not the fastest in level flight, can achieve incredible speeds in excess of 300 kilometres an hour when diving on to its prey, making it the fastest of any bird or animal in the world.

Peregrine Falcon

Peregrine Falcon

Quick Facts


Scientific name:

Falco peregrinus

Other names:

Peregrine, Duck Hawk (North American)



Conservation status:




39cm to 50cm


95cm to 115cm


600g to 1.3kg

What does a Peregrine Falcon look like?

The adult peregrine is a solidly built bird and one of the largest falcons. The male and female are similar in plumage colouring and patternation although the female is larger and can weigh more than twice that of the male. The bird has a pale spotted breast with a white underside marked with close horizontal grey bars which cover its belly and flanks. The long pointed wings and upper body parts are blue grey with a broad pale rump. The pale underside of the wings have dark grey bars similar to the belly. The crown of the head and nape are black and the eyes are pronounced being surrounded by a narrow bright yellow ring. There are white cheek patches and darker almost black areas, often described as a moustache, below each cheek spreading to the side of the neck. The short bill is hooked and powerful with a yellow base and a very obvious nasal protrusion. Its legs and feet are also yellow. Juveniles have more of an overall brown colouration than the adults, tinged with buff edges and a blue grey eye circle and base to the bill.

Peregrine Falcon flying

Peregrine Falcon flying

Did you know?

Peregrines have been used in falconry for over 3,000 years. Today they are often also used within the aviation industry to scare birds away from airfields, thus lessening the possibility of dangerous and expensive bird strikes.

What does a Peregrine Falcon sound like?

At the nest peregrines issue a loud 'kack – kack – kack' call or occasionally an elongated 'kee – eeeee', otherwise they are generally silent creatures.

Peregrine Falcon Call

Sławomir Karpicki-Ignatowski, XC624604. Accessible at

Close up of a Peregrine Falcon

Close up of a Peregrine Falcon

What does a Peregrine Falcon eat?

Peregrines mainly feed on medium sized birds which they attack in flight although they will also take rodents and other small mammals and reptiles. They rarely eat carrion.

For a full guide on the diet of a peregrine falcon, check out this article.

Did you know?

Peregrines pair for life. The male peregrine is approximately 2/3 the size of a female and is called a ‘tiercel’. The female is simply known as a ‘falcon’. There are an estimated 15,000 breeding pairs within the United Kingdom.

Where can I see Peregrine Falcons?

Peregrines are resident throughout most of the UK apart from the Scottish highlands, preferring coastlines, mountain and moorland areas as well as cities and river valleys. Several organisations release live webcam footage annually of breeding and nesting birds on rooftops and church towers. They are more prevalent in the upland areas of northwest England, Wales and southern Scotland.

Peregrine Falcons can reach speeds of up to 200 mph whilst diving

Peregrine Falcons can reach speeds of up to 200 mph whilst diving

Signs and Spotting tips

Peregrines are territorial birds and tend to hunt at dawn and dusk which are good times to spot them. In flight the tail is quite short with a very pronounced square shape. Even from a distance their mainly grey blue colouring and black ‘sideburns’, in addition to their size, easily distinguishes them from other raptors.

How does a Peregrine Falcon breed?

The breeding season is between March and June and the chosen nesting site is normally a simple ledge, be it on a cliff or high building or in a scrape on a mountain or upland area. No proper nest is actually constructed. One brood of 3 or 4 reddish brown mottled eggs are incubated for just over a month by the female, with the male taking over to allow the female occasional respite. Once the chicks hatch the male engages in most of the hunting to feed the female and her brood.

Peregrine falcon feeding chicks at nest

Peregrine Falcon feeding chicks at nest

Peregrine falcon eggs

Peregrine Falcon eggs

How long do Peregrine Falcons live for?

The average life expectancy for a peregrine is between twelve to fifteen years.

Enjoyed this content? Share it now

Learn more about the Peregrine Falcon

Similar birds to a Peregrine Falcon

Other birds in the Falcons family

Get the best of Birdfact

Brighten up your inbox with our exclusive newsletter, enjoyed by thousands of people from around the world.

Your information will be used in accordance with Birdfact's privacy policy. You may opt out at any time.

Join our flock of 40k+ bird enthusiasts!

Follow Birdfact on your favorite social media channels for daily updates and fascinating facts.

© 2023 - Birdfact. All rights reserved. No part of this site may be reproduced without our written permission.